Answers for "email validation in textformfield in flutter"

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flutter text form field email validation

String validateEmail(String value) {
    Pattern pattern =
        r"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]"
        r"{0,253}[a-zA-Z0-9])?(?:.[a-zA-Z0-9](?:[a-zA-Z0-9-]"
        r"{0,253}[a-zA-Z0-9])?)*$";
    RegExp regex = new RegExp(pattern);
    if (!regex.hasMatch(value) || value == null)
      return 'Enter a valid email address';
    else
      return null;
  }
Posted by: Guest on December-24-2020

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